contrib/include/wx/mmedia/cdbase.h

   1 // ---------------------------------------------------------------------------
   2 // Name:       cdbase.h
   3 // Purpose:    wxMMedia
   4 // Author:     Guilhem Lavaux
   5 // Created:    1997
   6 // Updated:    1998, 1999, 2000
   7 // Copyright:  (C) 1997, 1998, 1999, 2000 Guilhem Lavaux
   8 // License:    wxWindows license
   9 // ---------------------------------------------------------------------------
  10 #ifndef __CDA_base_H__
  11 #define __CDA_base_H__
  12
  13 #if defined(__GNUG__) && !defined(__APPLE__)
  14 #pragma interface "cdbase.h"
  15 #endif
  16
  17 #include "wx/defs.h"
  18 #include "wx/object.h"
  19 #include "wx/mmedia/defs.h"
  20
  21 typedef struct wxCDtime {
  22   wxUint8 track;
  23   wxUint8 hour, min, sec;
  24 } wxCDtime;
  25
  26 class WXDLLIMPEXP_MMEDIA wxCDAudio : public wxObject {
  27   DECLARE_ABSTRACT_CLASS(wxCDAudio)
  28 public:
  29   typedef enum { PLAYING, PAUSED, STOPPED } CDstatus;
  30   // Table of contents manager
  31   class WXDLLIMPEXP_MMEDIA CDtoc {
  32   protected:
  33     wxCDtime *tracks_time, *tracks_pos;
  34     wxCDtime total_time;
  35   public:
  36     //
  37     CDtoc(wxCDtime& tot_tm, wxCDtime *trks_tm, wxCDtime *trks_pos)
  38       { tracks_time = trks_tm; total_time = tot_tm; tracks_pos = trks_pos; }
  39
  40     // Returns the length of the specified track
  41     // track: track to get length
  42     wxCDtime GetTrackTime(wxUint8 track) const;
  43     // Returns the position of the specified track
  44     // track: track to get position
  45     wxCDtime GetTrackPos(wxUint8 track) const;
  46     // Returns the total time
  47     inline wxCDtime GetTotalTime() const { return total_time; }
  48   };
  49 public:
  50   //
  51   wxCDAudio() : wxObject() {}
  52   //
  53   virtual ~wxCDAudio() {}
  54
  55   // Play audio at the specified position
  56   virtual bool Play(const wxCDtime& beg_play, const wxCDtime& end_play) = 0;
  57   // Play audio from the specified to the end of the CD audio
  58   bool Play(const wxCDtime& beg_play);
  59   //
  60   bool Play(wxUint8 beg_track, wxUint8 end_track = 0);
  61   // Pause the audio playing
  62   virtual bool Pause() = 0;
  63   // Resume a paused audio playing
  64   virtual bool Resume() = 0;
  65   // Get the current CD status
  66   virtual CDstatus GetStatus() = 0;
  67   // Get the current playing time
  68   virtual wxCDtime GetTime() = 0;
  69   // Returns the table of contents
  70   virtual const CDtoc& GetToc() = 0;
  71   // CD ok
  72   virtual bool Ok() const = 0;
  73 };
  74
  75 #endif